CaratHunter
Plans
Oval|Natural|GIA

1.21ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 6525745455

Certificate GIA 6525745455

Diamond specifications and retailer prices

From HK$10,447 HKD
As of November 6, 2026
Save HK$23,755 HKD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$34,202 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525745455. Listed at 13 retailers as of November 5, 2026, with prices from HK$10,447 to HK$34,202, a HK$23,755 spread on the same certified stone. NZ Jewellers lists it at HK$34,202. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6525745455
Dimensions8.30 × 5.93 × 3.73 mm
L/W Ratio1.40
Top View
8.30 mm5.93 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6525745455
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$34,202 HKD|Low: HK$10,447 HKD|High: HK$34,641 HKD|Avg: HK$16,668 HKD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5HK$10,447 HKD
Retailer 2HK$12,775 HKD
Retailer 8HK$12,940 HKD
Retailer 9HK$14,021 HKD
Retailer 11HK$14,860 HKD
Retailer 4HK$15,291 HKD
Retailer 10HK$15,769 HKD
Retailer 7HK$16,176 HKD
Retailer 6HK$19,045 HKD
Retailer 3HK$25,511 HKD
NZ JewellersHK$34,202 HKD

35 data points across 11 retailers

13 retailersHK$10,447 HKD to HK$34,202 HKD

A
Cheapest Retailer
-
HK$10,447 HKD
A
Retailer 2
-
HK$12,775 HKD
View
A
Retailer 3
-
HK$12,940 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$14,021 HKD
View
Retailer 5
-
HK$14,562 HKD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$14,766 HKD
View
B+
Retailer 7
-
HK$14,860 HKD
View
B+
Retailer 8
-
HK$15,291 HKD
View
B+
Retailer 9
-
HK$15,769 HKD
View
B+
Retailer 10
-
HK$16,176 HKD
View
B+
Retailer 11
-
HK$19,045 HKD
View
B
Retailer 12
-
HK$25,511 HKD
View
Most Expensive
B
NZ Jewellers
84352271-cd86-493c-a63c-6ddf0a0e9676 · Nov 5
HK$34,202 HKD
$4,364 USD
View
12 more retailers have this diamond
Prices start from HK$10,447 HKDSave up to HK$23,755 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Oval
HK$10,447 HKD